Welding Rod For Cast Iron To Mild Steel. Which rod for welding mild steel to cast iron. An E60 series welding rod will match the tensile strength of a mild steel according to Miller Welds.
Steel rods and cast iron covered rods will work but may take more effort and may not produce a weld that is as easy to machine or clean after the welding is one. The mild steel clamps onto both workpieces creating a sturdy weld. First usually you are doing a repair job or a retrofit if you are asking about welding cast iron to steel so be sure to check the parts thoroughly to ensure there are no stress cracks or other signs of damage.
If its steel use the 8018 if its cast iron use the Nickel 99.
Technically there is no good way to perform a fusion weld between the 2. Steel rods and cast iron covered rods will work but may take more effort and may not produce a weld that is as easy to machine or clean after the welding is one. You will more likely than not end up with Martensite weak and non machinable hard. One reason why 6011 rods are ideal for cast iron is the merging potential they offer in both workpieces.